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Slide-A-Lyzer Dialysis Flasks are very easy to use. Add and remove sample using a serological pipette or by directly pouring the sample through a wide screw-cap opening at the top of the flask. No knots or clips are needed to seal the units. Slide-A-Lyzer Dialysis Flasks are manufactured using clean room conditions and have low-protein binding regenerated cellulose membranes to ensure maximum sample recovery and sample purity. The dialysis flasks are available in distinct colors, corresponding to the pore size (MWCO) of the dialysis membrane: Purple (20,000 daltons), Orange (10,000 daltons), Pink (3500 daltons), and Blue (2000 daltons).

Slide-A-Lyzer Dialysis Flasks are constructed from two sheets of low-binding, regenerated-cellulose dialysis membrane that are hermetically sealed on either side of an inert plastic body. The membrane and flask materials are compatible with most laboratory buffers.

With Slide-A-Lyzer Dialysis Flasks, typical low-molecular weight contaminant removal, buffer exchange and desalting can be accomplished in 8 hours to overnight. The rate of dialysis depends on a variety of factors, including sample volume, size and shape of the molecule being dialyzed, agitation and temperature. Minimum dialysis time must be determined empirically for each specific system.